18473568 has 48 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 6120576.

The previous prime is 18473557. The next prime is 18473569. The reversal of 18473568 is 86537481.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18473569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18621 + ... + 19587.

It is an arithmetic number, because the mean of its divisors is an integer number (1016400).

Almost surely, 2^18473568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18473568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24393600).

18473568 is an abundant number, since it is smaller than the sum of its proper divisors (30313632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18473568 is a wasteful number, since it uses less digits than its factorization.

18473568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1171 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 18473568 is about 4298.0888776292. The cubic root of 18473568 is about 264.3526050588.

The spelling of 18473568 in words is "eighteen million, four hundred seventy-three thousand, five hundred sixty-eight".